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LM4892ITPX from NS,National Semiconductor

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LM4892ITPX

Manufacturer: NS

1 Watt Audio Power Amplifier with Headphone Sense

Partnumber Manufacturer Quantity Availability
LM4892ITPX NS 3002 In Stock

Description and Introduction

1 Watt Audio Power Amplifier with Headphone Sense The LM4892ITPX is a mono 1.1W audio power amplifier manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Output Power:** 1.1W into 8Ω at 5V  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **Quiescent Current:** 2.5mA (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical) at 1kHz, 1W into 8Ω  
- **PSRR (Power Supply Rejection Ratio):** 70dB (typical) at 217Hz  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 12-pin WQFN  

### **Descriptions & Features:**  
- Designed for portable audio applications  
- Integrated shutdown control for power saving  
- Improved PSRR reduces noise from power supply variations  
- Thermal shutdown protection  
- Space-saving WQFN package  
- Requires minimal external components  
- Optimized for single-ended or differential input configurations  

This information is based solely on the provided knowledge base.

Application Scenarios & Design Considerations

1 Watt Audio Power Amplifier with Headphone Sense

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